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Umoonasaurus demoscyllus

Reptilia - Plesiosauria - Leptocleididae

Taxonomy
Umoonasaurus demoscyllus was named by Kear et al. (2006). Its type specimen is Australian Museum F99374, a partial skeleton, and it is a 3D body fossil. Its type locality is Zorba Extension Opal Field, which is in an Aptian marine horizon in the Bulldog Shale Formation of Australia. It is the type species of Umoonasaurus.

Synonymy list
YearName and author
2006Umoonasaurus demoscyllus Kear et al. p. 615
2023Umoonasaurus demoscyllus Poropat et al. p. 151

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
—Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
RankNameAuthor
—Cotylosauria()
—Amniota
—Sauropsida
classReptilia
subclassEureptilia()
—Romeriida
—Diapsida()
suborderSauropterygia
orderPlesiosauriade Blainville 1835
superfamilyPlesiosauroideaWelles 1943
—Leptocleidia
familyLeptocleididae
genusUmoonasaurus
speciesdemoscyllus

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

†Umoonasaurus demoscyllus Kear et al. 2006
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: hydroxyapatiteo
Environment: marineo
Locomotion: actively mobileo
Life habit: aquatico
Depth habitat: surfaceo
Diet: carnivoreo
Reproduction: viviparouso
Created: 2009-07-20 06:05:48
Modified: 2011-08-12 01:58:15
Source: o = order
Reference: Kiessling 2004

Age range: Late/Upper Aptian or 122.46000 to 113.00000 Ma

Collections (4 total)


Time interval Ma Country or state Original ID and collection number
Aptian - Albian125.0 - 100.5Australia (South Australia) Umoonasaurus demoscyllus (102987 103084) Woolungasaurus glendowerensis (103085)
Late/Upper Aptian122.46 - 113.0Australia (South Australia) Umoonasaurus demoscyllus (type locality: 103082)